File Management
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This document discusses file management in C programming. It introduces file input/output (I/O) functions that allow reading from and writing to files, such as fopen(), fclose(), getc(), putc(), fprintf(), and fscanf(). These functions open, close, read/write single characters and integers from files. The document also covers error handling during file I/O operations and using functions like fseek(), ftell(), and rewind() for random file access. It concludes with a brief discussion of command line arguments.
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Wherever there is a need to handle large volumes of data, it is advantageous to store data on the disks and read whenever necessary. This method employs the concept of files to store data. A file is a place on disk where a group of related data is stored.file handling c programming tutorial
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This document discusses file management in 3 paragraphs. It describes what a file is, common file operations like naming, opening, reading, writing and closing files. It explains different modes for opening files like read, write and append and provides examples of opening files. It also gives examples of C programs that illustrate reading a file using getc(), reading a line using fgets(), and writing characters and strings to a file using fputc() and fputs().
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Files in C can be accessed via file pointers after being opened. A file must be opened and a file pointer assigned to its file descriptor before reading from or writing to the file. Files can be opened in read, write, and append modes and must be closed once accessed to release resources. Common functions like fopen, fclose, fprintf and fscanf handle opening, closing, writing to, and reading from files respectively in C.
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This document discusses file handling functions in C including fopen(), fclose(), getc(), putc(), fscanf(), fprintf(), getw(), putw(), fseek(), ftell(), and rewind() for reading, writing, and manipulating data in files. It also covers file opening modes in C such as r, w, a, r+, w+, a+, rb, wb, ab, rb+, wb+, and ab+ for reading, writing, and updating text and binary files.
File Management
This document discusses file management in C programming. It covers defining and opening files, different modes of file opening like read, write and append. It also discusses input/output operations on files like getc(), putc(), fscanf(), fprintf() and functions to handle errors during file operations. Random access to files using functions like fseek() and ftell() is also summarized.
File Management in C
Contents:-
Introduction
What is a File?
High Level I/O Functions
Defining & Opening a File
Closing a File
The getc and putc Functions
The getw and putw Functions
The fprintf and fscanf Functions
File handling in c
This document discusses various functions used for file handling in C programming. It defines a file and describes basic file operations like opening, closing, reading, and writing to files. It then explains functions like fopen(), fclose(), fprintf(), fscanf(), fgetc(), fputc(), putw(), getw(), fseek(), and ftell() that are used to perform these basic file operations. Examples are provided to demonstrate the usage of each function.
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This document discusses file management in 3 paragraphs. It describes what a file is, common file operations like naming, opening, reading, writing and closing files. It explains different modes for opening files like read, write and append and provides examples of opening files. It also gives examples of C programs that illustrate reading a file using getc(), reading a line using fgets(), and writing characters and strings to a file using fputc() and fputs().
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This document provides an overview of file management in C, including opening and closing files, input/output operations, error handling, random access to files, and command line arguments. It discusses the different types of files, how to open and read files using functions like fopen(), fgetc(), and fclose(), and how to handle errors using ferror(). It also covers pointers to arrays, functions, and how functions can return and accept pointers.
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Files in C can be accessed via file pointers after being opened. A file must be opened and a file pointer assigned to its file descriptor before reading from or writing to the file. Files can be opened in read, write, and append modes and must be closed once accessed to release resources. Common functions like fopen, fclose, fprintf and fscanf handle opening, closing, writing to, and reading from files respectively in C.
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This document discusses file handling functions in C including fopen(), fclose(), getc(), putc(), fscanf(), fprintf(), getw(), putw(), fseek(), ftell(), and rewind() for reading, writing, and manipulating data in files. It also covers file opening modes in C such as r, w, a, r+, w+, a+, rb, wb, ab, rb+, wb+, and ab+ for reading, writing, and updating text and binary files.
File Management
This document discusses file management in C programming. It covers defining and opening files, different modes of file opening like read, write and append. It also discusses input/output operations on files like getc(), putc(), fscanf(), fprintf() and functions to handle errors during file operations. Random access to files using functions like fseek() and ftell() is also summarized.
File Management in C
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Introduction
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High Level I/O Functions
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Closing a File
The getc and putc Functions
The getw and putw Functions
The fprintf and fscanf Functions
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The document discusses file management in C. It defines a file as a collection of related data treated as a single unit by a computer. It stores in secondary storage so contents remain when the computer shuts down. It discusses basic file operations like opening, reading, writing and closing files. It explains different modes for opening files like read, write and append. It also discusses functions for input/output like getc, putc, getw, putw, fscanf and fprintf. Finally, it covers random access to files using functions like fseek and ftell.
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File handling in C allows programs to read from and write to files. A file contains related data treated as a single unit that is stored in secondary storage. C uses the FILE structure to represent an opened file and track attributes. The basic file operations are opening a file with fopen, reading/writing with fread/fwrite, seeking position with fseek, getting position with ftell, and closing with fclose. Files can be opened in different modes like read, write, append to specify how the file will be used.
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- Example C code is provided that opens a file for reading and writing, reads/writes characters and lines one at a time between files, and closes the files. Functions like fgetc(), fputc(), fgets(), and fputs() perform the read/write operations.
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This document discusses files and file operations in C programming. It covers opening, closing, reading from, and writing to files. Key points include:
- There are different modes for opening files, such as read ("r"), write ("w"), and append ("a").
- Common file functions include fopen() to open a file, fclose() to close it, fread() and fwrite() for reading and writing data, and fgetc() and fputc() for characters.
- Files can be accessed sequentially from the beginning or randomly by using functions like fseek() and ftell() to set and get the file position.
- Command line arguments allow passing parameters to a
18CS56-UP-Module 3.pptx
This document discusses UNIX file APIs. It describes various file types and common file manipulation APIs such as open, creat, read, write, close, fcntl, lseek, link, unlink, stat, fstat, and access. It also covers file and record locking mechanisms in UNIX, which allow processes to synchronize access to shared files using mandatory or advisory locks. Finally, it provides an overview of UNIX processes, including the main function, process termination, command line arguments, and the environment list passed to programs.
VIT351 Software Development VI Unit5
COURSE TITLE: SOFTWARE DEVELOPMENT VI
COURSE CODE: VIT 351
TOPICS COVERED:
FILES
FILES I/O STREAM
TYPES OF FILES
DRAWBACKS OF TRADITIONAL METHOD OF DATA STORAGE
CONCEPT OF BUFFER
MODES OF FILE OPENING
END OF FILE
PROCESSORS DIRECTIVES
MACROS
TYPES OF MACROS
DIFFERENCE BETWEEN MACROS AND FUNCTIONS
QUIZ SET 5
Programming in C
C programming provides functions to manage files, including opening, reading, writing, and closing files. To open a file, the fopen() function is used, specifying the file name and mode (e.g. read, write, append). Different functions exist to read from and write to files, such as fgetc(), fputs(), fprintf(). Files should be closed with fclose() after operations are complete. Errors can be checked using feof() and ferror(). Random access functions like fseek(), ftell(), rewind() allow accessing arbitrary parts of a file.
file_c.pdf
Files allow programs to store and retrieve data permanently. There are three standard streams in C - standard input, output, and error. Files are accessed sequentially to process the data in order, or randomly to access records in any order. Functions like fopen(), fclose(), fprintf(), fscanf() allow opening, closing, reading from and writing to files. File streams have buffers associated with them for efficient reading and writing of data to disk in blocks.
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一比一原版新西兰林肯大学毕业证(Lincoln毕业证书)学历如何办理
原版办【微信号:95270640】【新西兰林肯大学毕业证(Lincoln毕业证书)】【微信号:95270640】《成绩单、外壳、雅思、offer、真实留信官方学历认证（永久存档/真实可查）》采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。
【我们承诺采用的是学校原版纸张（纸质、底色、纹路）我们拥有全套进口原装设备，特殊工艺都是采用不同机器制作，仿真度基本可以达到100%，所有工艺效果都可提前给客户展示，不满意可以根据客户要求进行调整，直到满意为止！】
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三、进国企，银行，事业单位，考公务员等等，这些单位是必需要提供真实教育部认证的，办理教育部认证所需资料众多且烦琐，所有材料您都必须提供原件，我们凭借丰富的经验，快捷的绿色通道帮您快速整合材料，让您少走弯路。
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
留信网服务项目：
1、留学生专业人才库服务（留信分析）
2、国（境）学习人员提供就业推荐信服务
3、留学人员区块链存储服务
【关于价格问题（保证一手价格）】
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
选择实体注册公司办理，更放心，更安全！我们的承诺：客户在留信官方认证查询网站查询到认证通过结果后付款，不成功不收费！
Honeypots Unveiled: Proactive Defense Tactics for Cyber Security, Phoenix Sum...
Adli Wahid, Senior Internet Security Specialist at APNIC, delivered a presentation titled 'Honeypots Unveiled: Proactive Defense Tactics for Cyber Security' at the Phoenix Summit held in Dhaka, Bangladesh from 23 to 24 May 2024.
一比一原版(uc毕业证书)加拿大卡尔加里大学毕业证如何办理
原版一模一样【微信：741003700 】【(uc毕业证书)加拿大卡尔加里大学毕业证成绩单】【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
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三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
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◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
办理(uc毕业证书)加拿大卡尔加里大学毕业证【微信：741003700 】外观非常简单，由纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理(uc毕业证书)加拿大卡尔加里大学毕业证【微信：741003700 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理(uc毕业证书)加拿大卡尔加里大学毕业证【微信：741003700 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理(uc毕业证书)加拿大卡尔加里大学毕业证【微信：741003700 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
HijackLoader Evolution: Interactive Process Hollowing
CrowdStrike researchers have identified a HijackLoader (aka IDAT Loader) sample that employs sophisticated evasion techniques to enhance the complexity of the threat. HijackLoader, an increasingly popular tool among adversaries for deploying additional payloads and tooling, continues to evolve as its developers experiment and enhance its capabilities.
In their analysis of a recent HijackLoader sample, CrowdStrike researchers discovered new techniques designed to increase the defense evasion capabilities of the loader. The malware developer used a standard process hollowing technique coupled with an additional trigger that was activated by the parent process writing to a pipe. This new approach, called "Interactive Process Hollowing", has the potential to make defense evasion stealthier.
怎么办理(umiami毕业证书)美国迈阿密大学毕业证文凭证书实拍图原版一模一样
原版定制【微信:bwp0011】《(umiami毕业证书)美国迈阿密大学毕业证文凭证书》【微信:bwp0011】成绩单 、雅思、外壳、留信学历认证永久存档查询，采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。
【业务选择办理准则】
一、工作未确定，回国需先给父母、亲戚朋友看下文凭的情况，办理一份就读学校的毕业证【微信bwp0011】文凭即可
二、回国进私企、外企、自己做生意的情况，这些单位是不查询毕业证真伪的，而且国内没有渠道去查询国外文凭的真假，也不需要提供真实教育部认证。鉴于此，办理一份毕业证【微信bwp0011】即可
三、进国企，银行，事业单位，考公务员等等，这些单位是必需要提供真实教育部认证的，办理教育部认证所需资料众多且烦琐，所有材料您都必须提供原件，我们凭借丰富的经验，快捷的绿色通道帮您快速整合材料，让您少走弯路。
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
【关于价格问题（保证一手价格）】
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
KubeCon & CloudNative Con 2024 Artificial Intelligent
Cloud Native Compute Foundation and KubeCon 2024 - Paris
Cloud Native Artifical Intelligenet (CNAI)
快速办理(Vic毕业证书)惠灵顿维多利亚大学毕业证完成信一模一样
学校原件一模一样【微信：741003700 】《(Vic毕业证书)惠灵顿维多利亚大学毕业证》【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
【主营项目】
一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
快速办理(新加坡SMU毕业证书)新加坡管理大学毕业证文凭证书一模一样
学校原件一模一样【微信：741003700 】《(新加坡SMU毕业证书)新加坡管理大学毕业证文凭证书》【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
【主营项目】
一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
Bengaluru Dreamin' 24 - Personal Branding
Session on Personal Branding presented at Bengaluru Dreamin
Securing BGP: Operational Strategies and Best Practices for Network Defenders...
Md. Zobair Khan,
Network Analyst and Technical Trainer at APNIC, presented 'Securing BGP: Operational Strategies and Best Practices for Network Defenders' at the Phoenix Summit held in Dhaka, Bangladesh from 23 to 24 May 2024.
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File Management
- 1. Cpu(2110003) Group Project “12.File Management” Branch : Mech I-3 Prepared By: Jani Parth U.(150120119051) Jerin Sibi.(150120119052) Joshi Parth.(150120119053) Guided By: Prof. Raxit Jani
- 2. INTRODUCTION Until Now We Have Been Using The Function Such As Scanf And Printf To Read And Write Data. These Are Console Oriented I/O Functions, Which Always Use The Terminal As The Target. The Console Oriented I/O Pose Two Major Problem: 1. It Becomes Complex And Time Consuming To Handle Large Volume Of Data Through Terminal. 2. The Entire Data Is Lost When Either The Program Is Terminated.
- 3. A File Is A Place On The Disk Where A Group Of Related Data Is Stored. Like Other Language C Supports A Number Of Function That Has The Ability To Perform Basic File Operation, Which Include: 1. Naming A File 2. Opening A File 3. Reading Data 4. Writing Data 5. Closing A File
- 4. FUNCTION NAME OPERATION fopen() Creates a new file for use. fclose() Close a file which is open for use. getc() Reads a character from file. putc() Writes a character to a file. fprint() Writes a set of data values to the file. fscanf() Reads a set of data value from a file. getw() Read an integer from the file. HIGH LEVEL I/O FUNCTION
- 5. DEFINING AND OPENING A FILE If we want to store data in a file in the secondary memory, we must specify certain things about the file. They include: 1) FILENAME 2) DATA STRUCTURE 3) PURPOSE DATA STRUCTURE OF A FILE IS DEFINED AS FILE. FOLLOWING is the general format for declaring and opening a file. FILE *fp; fp = fopen(“filename” , “mode”);
- 6. CLOSING A FILE A file must be closed as soon as operation on it have been completed. Another instance where we have to close a file is when we want to reopen it. The I/O library supports a function to do this for us. It takes the following forms: fclose(file_ pointer);
- 7. GETC AND PUTC FUNCTION The simplest file I/O functions are getc and putc. These are the getchar and putchar functions and handle one character at a time. The statement: putc(c , fp1); Similarly, getc is used to read the character from a file that has been opened in read mode. The statement: c= getc(fp2) ;
- 8. GETW AND PUTW FUNCTION The getw and putw are integer-oriented functions. They are similar to the getc and putc functions and are used to read and write integer values. The general form are: putw(integer ,fp); getw(fp);
- 9. THE fprintf and fscanf FUNCTION The function fprintf and fscanf perform I/O operation that are identical to the familiar printf and scanf functions, except of course that they work on files. The general form: fprintf(fp , “control strings” ,list); The list may include constant, variable and strings. The general format of fscanf is: fprintf(fp , “control strings” ,list);
- 10. ERROR HANDLING DURING I/O OPERATOR It is possible an error may occur during I/O operation on a file. They are: 1) Trying to read beyond the end- of- line mark. 2) Device overflow 3) Trying to use a file that has not been opened. 4) Trying to perform an operation on a file, when the file is opened for another type of operation. 5) Opening a file with an invalid filename. 6) Attempting to write to a write-protected file.
- 11. RANDOM ACESS TO FILE It can be achieved with the help of the functions fseek, ftell, and rewind available in the I/O library. Ftell takes a file pointer and return a number of type long, that corresponds to the current position. n = ftell(fp); Rewind takes a file pointer and resets the position to the start of the file. rewind(fp); n = ftell(fp); fseek function is used to move the file position to a desired location within the file. fseek(file_ ptr , offset, position);
- 12. COMMAND LINE ARGUMENT It’s a parameter supplied to a program when the program is invoked. For example , if we want to copy the contents of a file X_FILE to another named Y_FILE, then: C > PROGRAM X_ FILE Y_ FILE Where PROGRAM is the filename where the executable code of the program is stored.